Ключевые слова: advertisement, advertising, birthday, cake, celebrate, celebration, cheerful, childhood, children, class, classroom, conversation, cupcake, diverse, education, educator, elementary, elementary school, female, girl, group, growth, happy, joy, lifestyle, male, man, mentor, party, people, person, primary, pupil, school, schooling, smiling, student, teacher, teaching, together, woman, young,